Rincon suffered his injury during minor league Spring Training camp and hasn't appeared in any games at any level this season. The Padres designated him for assignment last week and requested unconditional release waivers on Rincon on Monday. Rincon, 22, has a .285/.355/.422 line in 2041 PA in the Padres' farm system since 2007, playing mostly third base but appearing in 27 games as a left fielder last season.